I'd be careful with this advice. First of all you don't know what else has been put into the dumpster. There could be toxic or hazardous materials. Especially if it's a renovation project.
Secondly, be careful with the wood if you don't know precisely what it is. For instance, making charcoal (or even burning) pressure treated wood is a horrible idea.
Secondly, be careful with the wood if you don't know precisely what it is. For instance, making charcoal (or even burning) pressure treated wood is a horrible idea.